Dustfree™ is a 3 in 1 safety eyewear solution. The combination of the foam insert with the soft browguard, adjustable strap and large field of vision make Dustfree a comfortable solution to your protective needs. Features & Benefits Large field of vision Soft browguard Adjustable strap Anti-scratch / Anti-mist Lens markings: 2C-1.2 1FT CE 34g Safety spectacle Clear lens with Black frames Base curve 7 optical class 1 lenses